Dofing or Doffing: How To spell?

The word Dofing is misspelled against Doffing, which is present continuous of "Doff"

Doffing has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Do & ing which should not be misspelled with single 'F'
Wrong Spelling: Do-f-ing
Correct Spelling: Do-ff-ing
Find more incorrect spellings of Doffing to spell right way.